Nov 19 (Reuters) - Bombardier Inc BBDb.TO :
* Says Caisse investment was the most attractive option for co
* Says takes co's liquidity position up to almost $6.5 billion on a pro-forma
basis as of the end of the year
* Bombardier inc says "we have now de-risked bombardier"
* Caisse CEO Sabia says sees Bombardier transportation as a solid business
* Says Caisse's involvement in rail arm doesn't limit the co's ability to look
at strategic alternatives in the future